Motion pictures of the U.S. department of agriculture; a list of films and their uses. Fred W. Perkins and George R. Goergens. (U.S. Agriculture dept. Department circular 114) 22p pa ’20
Mount Hood
Forest trails and highways of the Mount Hood region. (U.S. Agriculture dept. Department circular 105) 32p pa ’20
Natural gas
Waste and correct use of natural gas in the home. Samuel S. Wyer. (U.S. Mines bureau. Technical paper 257) 23p pa ’20
Netherlands
Economic aspects of the commerce and industry of the Netherlands, 1912–1918. Blaine F. Moore. (U.S. Foreign and domestic commerce bureau. Miscellaneous ser. 91) 109p pa ’19
Norway
Norway: a commercial and industrial handbook. Nels A. Bengtison. (U.S. Foreign and domestic commerce bur. Special agents ser. 196) 58p pa ’20
Nutrition